Data as of Nov 13, 2026
37.128.154.0/24
No anonymizer space · no proxy exits in 30 daysPolitechnika Bialostocka
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 37.128.152.0/21 | 2,048 | PL-BIAMAN-20120217 | Politechnika Bialostocka (ORG-CKSR1-RIPE) · PL | ALLOCATED PA | Feb 17, 2012 | abuse@ |
| └ 37.128.154.0/24 | 256 | BIAMAN_ | Politechnika Bialostocka (ORG-CKSR1-RIPE) · PL | ASSIGNED PA | Jun 11, 2014 | abuse@ |
Network & registry
Announced by
Covering announcement 37.128.152.0/21
- Prefix
- 37.128.152.0/21
- Announced by
- AS8865 Politechnika Bialostocka
- Type
- Business
- Proxy exits
- 3
- RPKI
- RPKI valid
- Netname
- PL-BIAMAN-20120217
- Registrant
- Politechnika Bialostocka
- RIR
- RIPE NCC
Origin network
AS8865
PL
- Name
- Politechnika Bialostocka
- Type
- Education
- Registered
- Jul 2, 1998
- Domain
- biaman.pl
- Website
- www.biaman.pl
- Industry
- Colleges, Universities, and Professional Schools
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 37.128.152.0/21
37.128.152.0/21
Routing history
- Pattern
- Stable
- First seen
- Mar 2012
- Current origin since
- Mar 2012 · 15 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 37.128.152.0/21 | AS8865 | /21 | RIPE | RPKI valid |
IRR
Route objects on 37.128.152.0/21
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS8865 | RIPE | BIAMAN-DS | CKSR1-MNT | Feb 25, 2015 |
Whois
Registration for this announcement
- Range
- 37.
128. 152. 0/ 21 - Netname
- PL-BIAMAN-20120217
- Registrant
- Politechnika Bialostocka
- Registrant country
- PL
- Organization
- Politechnika Bialostocka (ORG-CKSR1-RIPE)
- Org country
- PL
- Type
- ALLOCATED PA
- Created
- Feb 17, 2012
- Updated
- Feb 10, 2017
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- PL
- Delegated
- Feb 17, 2012
- Status
- assigned
Report abuse
Abuse contact
- abuse@
biaman. pl - Name
- Abuse-C Role
- Handle
- AR16384-RIPE